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Laser-assisted (e,2e) ionization of atomic hydrogen in a quasi-Sturmian-Floquet approach

  • Sergey A. Zaytsev
  • Alexandr S. ZaytsevEmail author
  • Lorenzo Ugo Ancarani
  • Konstantin A. Kouzakov
Regular Article
  • 35 Downloads
Part of the following topical collections:
  1. Topical Issue: Many Particle Spectroscopy of Atoms, Molecules, Clusters and Surfaces (2018)

Abstract

We study laser-assisted fast (e, 2e) collisions on atomic hydrogen both in perturbative and in nonperturbative regimes of laser radiation. We calculate multiphoton triple differential cross sections in asymmetric coplanar kinematics employing the first Born approximation in the projectile–target interaction. The study allows us to test the robustness of our recently formulated quasi-Sturmian-Floquet method to treat the dressing of the initial and final atomic states by the laser field. In both radiation regimes our method exhibits high efficiency for different net numbers of photons exchanged between the colliding system and the laser field.

Graphical abstract

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Copyright information

© EDP Sciences, SIF, Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Sergey A. Zaytsev
    • 1
  • Alexandr S. Zaytsev
    • 1
    Email author
  • Lorenzo Ugo Ancarani
    • 2
  • Konstantin A. Kouzakov
    • 3
  1. 1.Pacific National UniversityKhabarovskRussia
  2. 2.Université de Lorraine, CNRS, LPCTMetzFrance
  3. 3.Department of Nuclear Physics and Quantum Theory of CollisionsFaculty of Physics, Lomonosov Moscow State UniversityMoscowRussia

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